NIPPY NP-S7B Ski-mini, Инструкция по эксплуатации

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10
４．
Abnormality of machine and its cause and adjusting method
Abnormality Cause Adjusting method
Work piece does not enter
the machine smoothly
The up and down space between presser
foot and the blade is wide
Thin the skiving thickness, because it is too thick
The space between the feed roll and the
blade is wide
Bring the feed roller as close to the blade as
possible
The space between the feed roll and the
blade is narrow
When a work piece is thick, lower the feed roll little
by little
The blade doesn
’t cut well
Replace with a new one
Spring tension adjustment lever too strong
Weaken spring tension adjustment lever as much
as possible
The surface of the presser foot is worn out Replace with a new one
Slippage of presser foot is bad Apply Teflon tape to the presser foot sliding surface
Leather does not enter
between presser foot and
flat blade
The up and down space between the
presser foot and the blade is narrow
Increase the space between presser foot and blade
The space between the feed roll and the
blade is narrow
Increase the space between feed roll and blade
Leather isn’t skiving
(or cleanly)
The blade
doesn’t cut well
Replace with a new one
The up and down space between the
presser foot and the blade is wide
Thin the skiving thickness, because it is too thick
Wavy stripes are present
on the skived surface
The edge of the blade is partly broken or
the blade
doesn’t cut well
Replace with a new one
The blade is not completely fixed Tighten the blade holder screw
Anskived portions
are left
The presser foot is not completely fixed
The setting screw for the presser foot is loose, fix the
presser foot not to move
The presser foot contacts with the feed roll
Loosen the thickness adjusting screw, and raise the
presser foot
Uneven portions exist on the feed roll The feed roll is defective, replace the roll
Not pushing the center pin of the feed
support frame completely
Push the center pin completely and tighten center
set screw